#include"header.h"
void intersection(node *ptr1, node *ptr2){
	node *found=NULL;
	while(ptr1->next!=NULL){
		
		while(ptr2->next!=NULL){
			if(ptr1==ptr2){
				found=ptr1;
			}	
		}
		if(found==NULL)brea;
	}
	return found;
}


